{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x55e69721ecb389c762bf48b76e4fac67b2f7d948a52ec2313faec898731bb8dd",
    "signature": "0x8e06884585a78f206aab64935a24eb1ed64ec59e161d72880dc7b03b7a4427473abd8cd56fdf627694a7445444e33d64d99b435eee58f0d7052b2a7adefbe0ca1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}