{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131891",
    "entityType": "User",
    "nonce": "0x5ada37a8b8562f9cdde01324e6f8e1706478651d809da517232a75c0633959f5",
    "signature": "0x01eb9cbe6dd31940ca923f64b5985dce2eab41d24d7ad92267322648dc1124f92b3483eb4bfc4e89ef6ee3a4649989f5ec2e06012d056c44d4b6a69145e877cc1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}