{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127724",
    "entityType": "User",
    "nonce": "0xd427e3a9902292bbd6ecdfffc0541361e5dd54697a56580c1c28e6dfd09b753a",
    "signature": "0xab0f8c8f951aafe65910d5f79d7b3604548baddfbddaa679997ad0b47246963a7f0097a84766a86f6e4a4536b1e5a0bd881ed51a1e4b1b0df907944d8098c1e81b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}