{
  "manageEntity": {
    "action": "Repost",
    "entityId": "745900343",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x52c66ccb6cc96fe7d7cf310632003ae2e14833297048d998c2bdf05394290075",
    "signature": "0x75ca821af0a45eda2cbae8107d6e9f5e1ebeb4d566a0a17d1d48f2e93ba799c8480ed0bda2c62eafaa5d460e5098b0ef584e5150d60d33be797a946871b869dc1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}