{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849864",
    "entityType": "User",
    "nonce": "0xb7485fff98791157d438d2a2a3dc1011373f00dbd012fb8cffc888b9214e369d",
    "signature": "0xfc717e4162499b9bc608ff8129dd59fc72e79b5f2e1e0dbb53fe8d0ecf0291837d61e0d9f3da16d1222044eadb36dc94cc5111620679703343c0772e0f8339951c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}