{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132500",
    "entityType": "User",
    "nonce": "0x7981292b41f0fc43ee6fa0f611d5d631405388a987d613a74cd86e7b318538e7",
    "signature": "0x78a9271416b3919175f33bb26ab282d413d29a21f73461025b87746f2f5c6c6d047a4ac15cab8fb68fa63d1e13601fac1b37f8b90c453c7455367a90251b5add1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}