{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "971292289",
    "entityType": "User",
    "nonce": "0xf9d95d8460a6cdaa1fae2ed2ae32bc2303f303f0be6ae81ef479084ed76dab64",
    "signature": "0x6e5130eb269f61b3549291937a088c43fa97d82ded11d2451e592b69fdcd5e0329df6bb896277ccd7e3db8ee41f9e37512e50026c3e7e3e4a963f1357aa6dbd31b",
    "signer": "0xaCEa944E637Ed70d0846f218FeF88B644E2AA918",
    "userId": "221007610"
  }
}