{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0x8477294651de7bc6c936b0254daaa05dccd8398113e72435e4264d97eba6110f",
    "signature": "0xba6404f7ce34f96a4b76815c48784294458ba373ba5668241d94546741550a5915cd4f091ff428d57a05afe2a42db51a1b3e6fdc77302e96f2bf8e4455ceb4a61b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}