{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "570538",
    "entityType": "User",
    "nonce": "0xe720f97c5e862909181b833f4abbfdf2e06032c8fafeb66f39ef2afaffcec26f",
    "signature": "0x07f0a35148790563247561bbae93f59528678d98a9c58d34002b10e2a07ace1d511f611a922b069f99d8c03a00f78687b4370e2d580a54874835ba0ffd1b4d5e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}