{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c9c7624ce39d1ca6cfdb01d7e7ac2b8de69bda64fe13ccaf5b1288898a39eab",
    "signature": "0xa8f4e6d260e71d196093df7d94914efae4a2e1d2c523dd19fab35e74b2f32e037b7e0eba5db86d502c14523e074451409c449441d6da71f08728cfc0e4a748e61b",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}