{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb80dbcc3e454119a0a29cca72af641a7eb424f33b8613913b1f9b85f2b30572b",
    "signature": "0x4ad5ec13efe221b5968bd05b47a380e00d81329c5db509703761637fc782e973690e188aec69d03ab57c15e026eb47b1bce82cf673d370a8bff6c1e84de9d05f1b",
    "signer": "0x04d2AeF69165e1c1d73288e89Bf7e0Bf14608308",
    "userId": "501224594"
  }
}