{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0xe96cd4e5d946e62956cdca95fa407b65d0c1d25133584a6c7c9949121820a852",
    "signature": "0x1ab5993464d02a7eaf5d0b3ba45492c4912373ca602bfb0d52e6552eea4c88216d0b65e03040a89259a1cf7fdc5905ed67143158315a8b61621049a036a0e4361c",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}