{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315143",
    "entityType": "User",
    "nonce": "0xc9002bdad25dc67aa52a0473ae3d2070da0f527507f786952e8a408cd9998866",
    "signature": "0xae7172d319eaf85cca938f1289fb50c399f5acbcefdb47f050374db956d5c0b009c2a3917d5debde22966e593acde2acae700efcc15aa20618da3e1c10d8cc6c1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}