{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355116",
    "entityType": "User",
    "nonce": "0xc56b6f49b1bbbb13402ef49769e529e1bd708abe5b30f918909b0a052da04f61",
    "signature": "0xbe5165afb8593b4950d39bd78c24ff439b75acb6731ac2b84be0765525ba8a6f159351b016d1c2cd9de16f69f836a7f1e8bbdb3ee853c5d6f648fd5b48d72d721b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}