{
  "manageEntity": {
    "action": "Update",
    "entityId": "45511108",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5732f064cccc91b2ba930fbb5b011c8ffc5af1c3483ad363e84b84126e6a7379",
    "signature": "0x1c45918fc34695fded62fd37f4cf48190276a519f2503170c0b04fd3b74df22b66d73c8aed42899e4083ae967b7d87bae194a3a947b450e807f75e510b3b0a021c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}