{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384929009",
    "entityType": "User",
    "nonce": "0xd0141f4c86b51ebec95be5d6c5793d62a2e0fc6880f637ee713f352809e215ca",
    "signature": "0x6b67f95665f2e82329753089851355e8736751a4c0b8de2f9febb345a273144669f2169700ff12d1bf369944943baf181ae20f61caae620a7e4bba5a0baa367f1b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}