{
  "manageEntity": {
    "action": "Update",
    "entityId": "242893136",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x40076c202f70785b552b5ab21d74b7e836fc0a3aa80e5cb53a6a467c72907721",
    "signature": "0x8587742700c61d238b1a2ab6d21ff1ef3fa8168ff6a6f447df93b816aa476fdc3664850887b9d3ec392bd398e82fecfe14c5aef0d74620bdbf7185ef5a54bb861b",
    "signer": "0xAb74269b4Cd5892c97eACCAf5FCb7B0D78d50b35",
    "userId": "242893136"
  }
}