{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302385956",
    "entityType": "User",
    "nonce": "0x4fe195e866668d59ab885393f6252c9e22caf739d105227bf6bd3ca621e504f9",
    "signature": "0xd24825d2a2bd12e0e67cc08ad2b538516d8c82dc4d6afe7fd2972146662955243f0b50a8ca6803854e6a467a2a0b3648748e0d65821f14aaca71d14230be26a21c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}