{
  "manageEntity": {
    "action": "Update",
    "entityId": "297600724",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe2b101b4a34fe1f3d7db5774c0d962aa9e798fe753c9c02d0dc93cd390b407d5",
    "signature": "0x102c5319239c95428d9758b7976a4f9017849b1ef28fcbcd06b6bc4e9cdeefbe133e6c652047cb4caac905f58f63029c815245e3c5080ad43376d113b2297d731b",
    "signer": "0xeEd2A280C6ADbecba7470EB5460Ff98E4e7cdEA2",
    "userId": "297600724"
  }
}