{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984215347",
    "entityType": "User",
    "nonce": "0x31989a023d1f57d158110377594becea80113032ba02e77525660e1641b64d13",
    "signature": "0x304785ed31b91caf32a4bb09902f84b627d4fd7369cd5a6e6e8a21dd2a4ac46802faab274fb60b64f1479946d817b628bb27886f41722c2bbd824515aeb0e0541c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}