{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10514",
    "entityType": "User",
    "nonce": "0x5283230200bdca5ebf1fe1fa82d8b9d05eeac38357d4ece01274e8d37784488e",
    "signature": "0x598195ea54463e98998dd4d975d5361b9773cfd48fad77c8950dfd8d6be85eaa5538d9d967990d1943c2b9638595beee113aac9a4542031962974c840c500a4c1b",
    "signer": "0xBe0B2B2beC4B0A46ff11169512DF7f66E775c0B3",
    "userId": "196632465"
  }
}