{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0xbad91ee2ecc47527dd11577b74922ae93c7248b79e74a8d77761edbbe7b4524a",
    "signature": "0xd4e35e00582a4753b4f7d8ad2564ccdac5e1ea418a77c04f620619e19ce65a515740a5a7f04604b20857903c33a75c572363d084bb70d6b2c9fc85cbb2a77a4c1c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}