{
  "manageEntity": {
    "action": "Update",
    "entityId": "27678437",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4ea6a970ea947070e3f044b15cfc6b30decb9e3c47d4f546f50d440d4b25f641",
    "signature": "0x61dbab6da6dbb8a78b0e168fb526cb71854b0549b7862c338d0d32f2f5286157288f7b891e41ee981e6a4515ae64d5e6e631c87d465f8a85a8f4d1f2ae6710391b",
    "signer": "0xa8189812339C15eeA66c9f320283914536DE16a0",
    "userId": "27678437"
  }
}