{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306603",
    "entityType": "User",
    "nonce": "0xcfa2153d2e3b01a3cf961c0535f7470ae599aff735318bc4578c5e897de41793",
    "signature": "0x848902e569d6968ecff9e9006ed956ffee030507774b5bac2afbd20290ffa3410139773b6580f353ae78b6adebbc35b29a36d426d011221f5d8c141255ba9d7a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}