{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273030",
    "entityType": "User",
    "nonce": "0x5705d57cee86fe3e2fd0ea2456cdfb89b5b94f94092123f6b47ce7ab09de9fa9",
    "signature": "0x93ede6a34c1229b3980b6c03e5d35e257be8705c5740180f7bc1ae0dce1d4a4408acb8fce6e7d1f6d046c1783858269d2c946d7d58df004a75e179270652ab7b1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}