{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621069951",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c345575bd2fff0596e2d4e16f21cad59aa8ae3e5b52963e87b9fdd67682e1ec",
    "signature": "0x52a4d9077cadc715760d613b2e2a79dbf006ddd403563880f09adc58f53fede27f2818e9b50704e9542ba055007f295c322554bddd6487ad268155906484e8281c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}