{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10431",
    "entityType": "User",
    "nonce": "0x23bec16954ada7a1adf127947071785c451543e8e04c92655b45d3a08e8d482f",
    "signature": "0x52993e0424dfe47f81a2d3037f0a59f1b562bbdd825b85860649ab129c99e55409e2c0e6116a17381d964e52543103efcc218f7036213207ec3a8a9136d5ae4e1b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}