{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7708a991b5b174618195ef738b19ec941947b95ce4162c07d4bfc641f9e2fa80",
    "signature": "0x7edf78769a56497bf274329a57774db1e88cd67c2c4e48de8f0d72969de206c76589d69e4e5a13a910182bfc39ce3c6af5ab8ab18affc1c2ad3d680d5fb038d01c",
    "signer": "0xcEBe6365bA5B97E3e9059f8cAa42d4326262bf35",
    "userId": "527556935"
  }
}