{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21216875",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc67e457495a09c55b729b5403f0109cd6a9a6b974e210df2b9b9107f7827753b",
    "signature": "0xccda008a4850e059bf8731c1d2c20978abec3e4c0e4ea23e484840fe8f9980111666e949057e942a8a76bb22d969bea4ccd8d0be3ccb1631794534cffb6b75a81c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}