{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe19331bca5a36adb820bd437de746533d6debd7ae0a3420b67f00c6fcf5682d7",
    "signature": "0x9437668c27dd8d27f454629df9627c321cf26aca35b99752a19f307cd796f8056850af60e6af1f6d8ab77913beea7f0fda81c40bc4247142ae6378f6791fb8c61b",
    "signer": "0x3b17E93874f5762fac5773361b2295e1574245f3",
    "userId": "653325607"
  }
}