{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x92a24108948408a8e796d67bb2b36102bcc515f8baec7ce408ca3f3f7031c34a",
    "signature": "0x2e7e0fcf3656290551fed14c0bc110504aa7f820cc6d6d0f6d21995eb3f14c3d1634b3eaba8d512c711aa6a9579effe5593d3716eb41e1daf26c26ee846b27421c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}