{
  "manageEntity": {
    "action": "Repost",
    "entityId": "490903268",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31cb63eabdb7c72b4d01f45d9d4a25481e3cdb56c1981264f5060782654229be",
    "signature": "0x9e386b45d6143beaec4ea5cb72e067cead707eaa2f2b8d84142576a9f3d6fea85cf4fe397a1a0568871694f2fe56d2d5dd19b8873f05842711120d9b906a29e31b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}