{
  "manageEntity": {
    "action": "Repost",
    "entityId": "2121320994",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6be397cb611d61bb8d1d9352f74cab09d7cb8d4dd2bd029104776c29623db0c6",
    "signature": "0xb90ee7d79ee481ff3c21ae69e5666ae355a2ce88f483d31b12da3bd459a43061196aa70dfc511c6b18059560deabcdc1c07cdefec4eddeb52047b5aa9721ab591c",
    "signer": "0x9e61DE1c33f32408C11bCA4682c799044F51912A",
    "userId": "499136071"
  }
}