{
  "manageEntity": {
    "action": "Update",
    "entityId": "360312236",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8bcbfb62accb0e752d254a2995d40867d01c821e5a799076ed648c25a952df97",
    "signature": "0x46fdc8126ab5a75b2b159eb5f37778aff65eb495bf961ccbfacc9625ecfd4cad6d9ebb9e72b47942f9150aae4bc5eb28e4e887c8fbe077d5f8c08cc4320b0b6f1c",
    "signer": "0xf50E061928D52A2Cd9faE7ff78a980a27734718B",
    "userId": "360312236"
  }
}