{
  "manageEntity": {
    "action": "Update",
    "entityId": "585544951",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb179cea6ecfc66d354c3286015363a2de29fcf5a4d357c7e203b02ede1d8bf2f",
    "signature": "0x8c5313a52d888d973d836cf25eab336aa9642bc50fd4fe17056b6bb7f53c192e78f20508c9191407ed842c29a1a5032512541e8e0ea9c30f62e3ec2ae5a086401b",
    "signer": "0x6bcbC4b3e44A7b98A80b637fE97a19075749d09F",
    "userId": "585544951"
  }
}