{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf01f7becfe4a674b9f0bb38f0d5bad7c65831e8475226018c1ecce1a6a2f2ddf",
    "signature": "0xb64495d0d2ade14cca8a5a0b4d7e19eba0053552537ae4cfe3b68af7584137810f0a7304ab640ceb6a7a3691d7e26ea21fe2a137bc6f188ad961a4ad53271fc01c",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}