{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80416",
    "entityType": "User",
    "nonce": "0x8c2841422cc5b6c8575327abed2ad288db80422decf49195e3fb1dcc8c2eb5be",
    "signature": "0x3847861d17a06e8dc4af83147d071139a6c9c66a8daa3cf8d7e9ab1a9a6d4b9f18bf290c918278aaf7ed277509a8e08afd96b36a8485bc9c7cd96db6b74d039a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}