{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x34427cfeb955dfd8d417a0a998ce8f9e94f97c633d23d42840698c4fa9bb4536",
    "signature": "0xa4d579dd22d213cc195c08b70fad0e9301a535ec3747046ff5d5deea688042ce14675fcb3654000c797b64372876c122d84a639b3dcb0ce98e7b46af8d047c3b1c",
    "signer": "0xce8922BCeB6356Bcf772BCb592290B731c4Dbf32",
    "userId": "322981683"
  }
}