{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0xadb25d6e06cdae9c73cb6bbea916be72767326e632cc7d1393997847cb1af6c5",
    "signature": "0xbb57fd0242fe6241cb3c0066e94c88a40794a7377d98b63488280a4fd4dbf21866cc42c84f14d5344dd70971e783d2fb4d33fd5a80be410140aa72cad6f08c3e1b",
    "signer": "0xD1B4C6CB17c1c0Ff9096EeAE4B3a71AD6821764E",
    "userId": "410198578"
  }
}