{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134529",
    "entityType": "User",
    "nonce": "0x4101aa51d611e25591c6ce00255a5fb7dd03f629e0c89394c17747fe5305949c",
    "signature": "0x285ed98612bdcf6511c85792472df3ef51bf323499a7e7675a7519f243c811254d2d6c652d534beba7a09a8af9f1a696e2affee3b8e6430c619f6c5feb2af11f1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}