{
  "manageEntity": {
    "action": "Update",
    "entityId": "923089606",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa86c93d837bbc4574d8fe87d1884b084ea5186e08012edbdcfed77dd4736ba66",
    "signature": "0xaa44283012e2b10235d6b736f1eb56fb8705819fb855456d48cdd2fdb1dd3c656cb23540f3637d48761f38b114bf8684e83692100e9aa5b321e1aa3cbf2672fc1b",
    "signer": "0xBe7c9E7eec08ffa2F93A94340B4E2fa4E9f2F3Cc",
    "userId": "923089606"
  }
}