{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "807904117",
    "entityType": "User",
    "nonce": "0x0d39034699fd2b09da40801a404a4c7b304d27bb2bc5614306d1324bdd768982",
    "signature": "0xbbc083658e40fbe095f0f02621898d445b93f5b1796a375d6b73ae4bfd5c7ebc55d674fe30d90c82dd71fc13074059b1a6083dc3e17e1ed22af3dc1802934cd81c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}