{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x97f7599915e1f9d5c346e9926759b4c3df19173956a3381e68935912505d296c",
    "signature": "0xd0cc940ea4ca17d65009004bc3688921cb6a2da6ce15008a917ed6e95d96e8d651a94306968f100a40fd7ed4bc8328cdaf3a91669ef4059bcb36c77b6c7e26f51c",
    "signer": "0xaf0801e010fC082cD2cA19Ef3BCcA832eD4c0231",
    "userId": "927159023"
  }
}