{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308212",
    "entityType": "User",
    "nonce": "0xb80ede3c09635a168bd39db0bceba09dfeda3901072238cb795033087548edd7",
    "signature": "0x505a84806b7c19328010c4d60057a6902064d67825e1c9967b6f3444d69d53e243978506f676712db95511dfcb23f0a02360782d11248e5e2e6454b74d34729e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}