{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "187770916",
    "entityType": "User",
    "nonce": "0x5c1dd6e40bf55310ff90f816f9021fd5f2a71f61ce53072cff9206e8d4c57202",
    "signature": "0x7bcc6cd121a1b1a2478ecc979625a2b47228bd0dc8ffcf74e198568bf0acd63963b6ac2ae367b888e7101d21a88da904d255b91e2d128f2928faf477d086e2ed1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}