{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x86d54862b1f1b0186feead5e99f24b605e9da2ad5a8ff2e46f827453f6ded313",
    "signature": "0x96a33a49d87acf70f40aaf7399f818e5f44cefd615601ad6b7c71a95e3a7a25443fecae27aec6e61b4f8205308cade9da81557059284e5e18988403aabc39d061c",
    "signer": "0xC4e201BEaDD3933E76e562c99f9F367Ced3f68d7",
    "userId": "533673360"
  }
}