{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1585",
    "entityType": "User",
    "nonce": "0x68bececdd053a8ca82942c7e18ffbb006f696d0b97be1b02b9fd5ea49fe54e36",
    "signature": "0xd75471851bcfa750cd7121223c5a6e9909d71c4167bebc70301f5f8f1ef41d6c6f5106416fbaca72cfadfdc23d6518556d20fb3ef9e0be0f128cfc6300c77a5c1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}