{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0xc077b013e243924a337dc3cc16143ce016e13c95288734e5407a713595c40b04",
    "signature": "0xccc15062f6d70b8efdc3cb3d6f4d2605138944e3ffe3942196e0ec40586bd0f54fd02fe9644be62d9477e85ab4336133be2a1fbfc48ed8a760e9ae416eb42c3a1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}