{
  "manageEntity": {
    "action": "Repost",
    "entityId": "12357",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c7dc3fe443733e3eb078b15fd538124805a391adf7202626a4604addfb9001c",
    "signature": "0x99211148efe75346aaff9aaec08dcf690ba2233137078530d3831bd8415937bd1b0882629cac259cb24e8174d2d658e3bc0a775d08b154a92ca3bc29ade763861b",
    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}