{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39625",
    "entityType": "User",
    "nonce": "0x4d0a3b11c6b7ae49568d6281b6fcd4dd711d59af8a0bcf5e6f94b28fb9366f22",
    "signature": "0xeddfda64cff2d0a62681ca59f609760d393e010d46cc34cfdb782f614f34e87030d2b00285baff2be3a521cc9285d111e290e472ea637c4dc37b80a888dfb6b11c",
    "signer": "0xab3fbeF816d349E87D7a9AF9D1b42b9D7E14A16F",
    "userId": "385866220"
  }
}