{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x41b1778940f4463a87e53978b3a067d23d9d7b5fb7d835dec616b6388bd5e742",
    "signature": "0x6ed27bfc789f833c7ed3b19ed3b142ac05707ed7c8e1bac567dc43e38315ff600a66c47e691997fb69dfd823c907af0044a15c5ceff0b2f46208d8e2850350931b",
    "signer": "0xD5CFa311B729c94C5170269F7048C79eA3B78c83",
    "userId": "32433937"
  }
}