{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x7aaf6cdbca87bcd59afd8e57ab539a6ed2939a890a9130738f068a504d8a00e5",
    "signature": "0x4d088c8d65d0eb27d270f7b4848f5d3ede835d2112111c54c2969d6b8ea51fd4007b1524129e7e57d692f14d30f1a1ae539ebc51160df0f7699ba6b688b3b2c11b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}