{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xc6eef4d061ef8d4bb2049b0337c159643d8d7651796e0617d98c6590de87ad1a",
    "signature": "0x15be0f5ac1e83f0e5e8fc4888022b87dbd92ec0dcad6b53225392569c5d845004308d9e5e51b2d68fae45c555304a53ad802d911cf36ad7c95a443361725a9981c",
    "signer": "0x1A3180C2B77F308242944Cc798Ae0C216079DC9d",
    "userId": "916060975"
  }
}