{
  "manageEntity": {
    "action": "Repost",
    "entityId": "854973009",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4df489bb7e7f45daf31713422220e1e3c7e1f03152d42b3fd103860d0307d3a",
    "signature": "0x678605dbad5f4efc3f0d3572c01107ebf33573aaae16572ddccb7bfe7ea9059866a7d0ebb41c9bf42a1125c237b7027b3fa3341519ca1f4d4e0c1341affc15901c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}