{
  "manageEntity": {
    "action": "Update",
    "entityId": "502236166",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x742df8af2cf7cdf0667375fb6fc2a775e8e89b6ada3c8d91afcf1db989704c26",
    "signature": "0xccdd7ae98048343934b62357988c6f9cb7c6a8c2b1ec63ebeeb6fd158c020e1e67705a823c162e739a6fe99c683385da82133ac00eba4c6dc4c912281f1b6f841c",
    "signer": "0xA49d4265E0A6dbf4Bd1379bc0cF08A6F9d16C4f2",
    "userId": "502236166"
  }
}