{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101385",
    "entityType": "User",
    "nonce": "0x373ff96a88d25aac7926f09a55f49f3fbcdc35562c0c01b92b8613600429394d",
    "signature": "0x514f42a5b309acf315407fc90a9a3ae156e9d4a82725d75e8d54d06693868d961384f7e5bced9ac638c7ee2673103ec1abca754e92759953a2f071a17d13722e1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}