{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1521389516",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa09b246170065d84c29f64aa110e2634b3cd87ee1095aa26b009edc97608bf1f",
    "signature": "0xf6ac2a41ecdbee80903c9d12cb1a3dc25f2fe55b280cec91f50900183f238c4175a72ea8c7d0c920eaf19e14b470ba9865601869ca17b60c532b2fcaf1b48bce1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}