{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54292",
    "entityType": "User",
    "nonce": "0xd144703b7b16dc7000c6c98a4d81e77ce2a4eff32bab87fafd39a7c471a9f45f",
    "signature": "0x971e73e94287ddc463c91eb95c2cd42215b2d418e6ac93a82a4fdcf0d5b9d53f03fd69af4466748226b6544c56ee81ae196fedbf72e6f3e14150de8dd727c3491b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}