{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0x978b2340ddba892c54f6bc29b9930cc70730ddb095792534e4d2543a6a8284be",
    "signature": "0xb353e970bc6301e0409a22e43b5643881cd24a8e0b988828c9bbfb0be32d3003443bc7b2b6ae3693eab3f3f1df8e0a85af9a088410a5c7c42eb47a221d821ae81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}