{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "376267",
    "entityType": "User",
    "nonce": "0x49a81928f62b51a0d1e864c0abd71b7716a9ac5a286ea39b2e8e7e19338d1009",
    "signature": "0x1a2de7b4196d0cfd4c1d90f0dc4920de60be85723ca728042c4f6edae0339cde34ed363ccb5a2dbfb4fa6d1416908b8f960f88bc52be1188e954ac9e1209503e1c",
    "signer": "0xa22176a11BF6703EFe39D488aA7cC06aa781C44A",
    "userId": "633924738"
  }
}