{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451691735",
    "entityType": "User",
    "nonce": "0x6d95d3bef398e8d40ef369e2580f40cce0e885dfc4c45cfbfeaf33ee58c8c555",
    "signature": "0x00791844d0174c847a9e23712e18de0917f4b19405804e0d4e2393abad3654bc02d840c9b8362c7618ebb9d35d5065263b4b7c284877894a23bed9dc13ecf1641c",
    "signer": "0x5f7a2bcadaC17cD6C8Fd726c2Ba3dE8bE24B7D31",
    "userId": "629635445"
  }
}