{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159374",
    "entityType": "User",
    "nonce": "0xfb63a384c57066c6f6ce19166e5606f97d4f129bdf0fd83f8bf01d5f9eb7caac",
    "signature": "0x2b44909721e35d8643c09296f947bfb77515cdd80c4e4fbe72b045b6a2a1dbf66c396eb1134ff88a8a9b73b710ac0d39bd58441447ff0359f10c8245d6cad2961b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}