{
  "manageEntity": {
    "action": "Update",
    "entityId": "360040920",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x640e1c4a986ed266f0a8f4d08432cfcb311d7b59ac10d54b4325af2668e76b2c",
    "signature": "0x565b032015cfeca4db41bc8b792da22640e7a701c608d093b07e97133b4f5004432f3b3fe49ca19a7d527ecd50554e84df050ab6ff907d9cafe5665ed9ca8b6c1b",
    "signer": "0xF4db4fF39b6fB21ef8aF5Ca071b39276335a5f46",
    "userId": "360040920"
  }
}