{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x9abcbcc005a158af56ed79a6a4867cce4d954c4e4e85feec67e1500500e06d92",
    "signature": "0x9dacbcfc080710198afa9e37e1e94587ec11d510cc5fea39fad5ec9029de6d98466b950560ecc436ec54ba5f1bd853a523f1b3b21f3f7bdae8b692f4ab3b9c3c1b",
    "signer": "0xC0eEcD5Ab99B0f0BCcD79Cf620CA23C758E8a338",
    "userId": "136979704"
  }
}