{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "998117463",
    "entityType": "User",
    "nonce": "0xba0e0dab820e94451d82ffb592c69ea57abbffa052bef4d21c96bbbaed92f0d5",
    "signature": "0x8d97f46436bfa2dd1d1189d722e7c463c1af9b5fba8681f523ae38e93d68ab33684250bd7e0da0ac68ffbb8242690952cc827d88776fa531139811af315f94ff1c",
    "signer": "0x5e6d01F8B70091388F9Fc78aCe897341e3696c0f",
    "userId": "335869800"
  }
}