{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205205260",
    "entityType": "User",
    "nonce": "0xcf524cf00113b4a7e766e064bdef0abd91520417d551d2687ee655df7518d434",
    "signature": "0x028bbdc6a78d34a7ca02a2926d7f4c8a63e61ee24947942a22dad9cfd6c1ff336354a35907b3d4cf709c7633a4bd4cb56380399d4f36f8559619de357e5d768e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}