{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x88248cf04453393aa360915ebf169c4520e5a1eca9ec84edcb1213648da1ae88",
    "signature": "0x793bd3a77d031737b30ea7996ad4374069dc6321f58dc526bc12a261adfd51ca3e9ddb471618afcef75cdf08373a943b61e385e84a6fdbbb0982a6672d222d151c",
    "signer": "0xAd33018d1AA234072Eed7f991F9891f3688158d3",
    "userId": "413212044"
  }
}