{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826451106",
    "entityType": "User",
    "nonce": "0xae2a55e17690d6a7337b895a8f64b2ad06036cc2da80e7d7f71e1a674d773178",
    "signature": "0x5691490aeb2e5f37a995c2abd81520025ec98e4482cfb66c070f2634018963b321b8f6d4a197578b3d2970e7a41d0349f4993c91239a4b833f6d507e007abf851c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}