{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344038",
    "entityType": "User",
    "nonce": "0xeecc1045d9c6fadc5de1eee1578e608bb0bbed2a75a76f694e85a5e779f31817",
    "signature": "0x952e4714c96744421de6722c4a207a1558a9d82802380be71dced33a40e8d5c62c1aa78d93f97d08896b49c4cab6f3259c2c5685040523c2d93ee99595e4d8e01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}