{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222",
    "entityType": "User",
    "nonce": "0x9db29045bd5e0609c1e7b8ccd67c9dd06af74f76bbf2fb6e301c1250ea9186b0",
    "signature": "0xca5de5e5ee60adc0291d87080e46d03c07db0d861a799be42d9db56ca99b212b59287bbe3fe06123bcd1cafd8f4a264de68802318e673b250891a16da76de42b1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}