{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599298470",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x638864d617f6da2c06af564950eda850b995fb6ea9f237ccc5d8cbd4d155bdd9",
    "signature": "0xac01f04934889f83871b96fe68279b0a7d3626033a07741dbaefda9f0fd683e8795cff2e97a2e13d1957ed74b89e924319914eeab24f8b661e94d47c4c585fb41b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}