{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358093753",
    "entityType": "User",
    "nonce": "0xb256ab24007ba284aea45a338517b7a34f614f1e405445b64a5cb9c9c4c501c1",
    "signature": "0x9205f4ce2a6a83ebf6a9d05e4e9c2f843e459578b933b3b53cf775a97e835ab66b452edaea3e46d91eb1b03829e29468eb71c93de490fd9e9d7bcce430140bee1c",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}