{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421708153",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x02c7f1f432ea0d39d2ba3fb48265c63c97b6695c223a76bcabba681fda3a75db",
    "signature": "0x010d0d824de23a47657edd86a2172ea995aa481a8e7ca59c6e645a36472be41226bf2ca1875c06e1d6bb787fd2a75d52b17170dafd13cc60e485cac5d65d85221b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}