{
  "manageEntity": {
    "action": "Update",
    "entityId": "909324014",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfa73be82a991f52846e37cb874455fdaf70e2e18eba7b0dfe976e08ee38eee54",
    "signature": "0x2159087cf4789bcfdbb8139bcc4ca74ad33bdb0cc383ebe8d932a6c64eabc33170bbd15a5ccc4ff2f3d998623be8e9846c2b69f95b108504f8b99b487432a9b01b",
    "signer": "0x2Bd29Dee908076e063DC46eCaed3cb58E0aac740",
    "userId": "909324014"
  }
}