{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "666092734",
    "entityType": "User",
    "nonce": "0x6b52419d195bfa5b01e519e18f7369ce28e2b9a7465255176a7025a21e88edc1",
    "signature": "0x002327ae505ef0ce5e6927ea89c89942e1c6540646d2a0b13398d69ae6bb9b5112c3ed0183ebd19ebc308f454b18058a6fd688be2526569603e9c4a409badcdb1b",
    "signer": "0xA56552Ddf7D4d833c1B3e4f8D727B787d4D1DFFe",
    "userId": "629530515"
  }
}