{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "596750044",
    "entityType": "User",
    "nonce": "0xd8e9e426e798d6435520eeb23a91d5cf3538172c8dd12c74a58eee130faf225e",
    "signature": "0x844727b2b6a1096458f7809e80eb8fabcc495c273652237cc98d60d42ffdb1023ec6f562dca0e0740c195a5de6b613df343ed22466cd53c3a6f542783e0f64b11b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}