{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73594244",
    "entityType": "User",
    "nonce": "0x95fbebf18d490f0c0ef4015140eaa91e68d453ab0e130e0d0780ca073af9e9fa",
    "signature": "0xdb8c43574cd5d05baab5a3dbde9c537121c7d764aaace96ea00a17bbea48b2c70db13d136a546ebae4b5f4d5040fa0dfd6cc85c09d826583794481c5131c50591c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}