{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177802",
    "entityType": "User",
    "nonce": "0x70298f801c5b0222b70a76f309fc25909cec41e521cabd811f39be63751333cc",
    "signature": "0x4837a4930190e8554ab4b43234d999addf7477cb7a27084a5ff6f0595c1662825583c06acda57e5190f9eda0307be574476cceae4f7c45e10ca9cf46fdb8f4391c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}