{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x208717da4cd07f117f547ed7bd2bd88537be3e9369688ee42b06fb277bdbe699",
    "signature": "0x2254e74b88a311e9cf8550ab65d005f8c22ee6dd8b07e0ece2795fcb25870a7270aff2ddbf530e2d2c7cbd474f7b221ce59ac2591a2aef96f5f755d5dc78cd761b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}