{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1548a7f8d3a902bd0b7d74465a8b45882e937aa36d550a1f1fb7a2b58c83118a",
    "signature": "0x32d8853bbbea23f2b0419db952ee576a209a07002ebc95c3af37119e9e2d11013d83533121a0940c78310e13d5434f011568d47b8e25a5de6034e5dde377afc81b",
    "signer": "0x85eEf8ea097ef9044717C3D3FaD6D19Cf8F8DC1f",
    "userId": "828943403"
  }
}