{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0xf9fa916f28db80a5bee54fe106ecc69b989b9460e1edb2dacfec5bdc8e54729e",
    "signature": "0x63a92f3557296723b17fb7055598d78176905db358b611c649d51f5ea84b5ff1286350a5905c1f7da5f8fc1b23666d549b6534df462b5ec1b96120f8d856d7041b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}