{
  "manageEntity": {
    "action": "Update",
    "entityId": "583435112",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1cb65b773967362aac9d84ab5b18675490b177f5a467dd2e2876b4b3ec4730b3",
    "signature": "0x3a1e0d9630bf2efbd6d2b1d26bf6100ea4f45cd93a4fcb53e3ea7c474c8eabfd472406440926638ab0fd1fae8d06a8b1a7b1ef623dbc155229d821ed246c2ce61c",
    "signer": "0x7236f33AFc69e112EEadb51267423A33BaC3CbEC",
    "userId": "583435112"
  }
}