{
  "manageEntity": {
    "action": "Repost",
    "entityId": "703998",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3871350f19e88a72c9e1f6190b012ef537cf6d0b027b3ced1cf13706a3e4a968",
    "signature": "0xeaf5b645c66b89f05869adf2bbddedd71221204f581e01a19ce39c4bc007069d452097abe73f3d7c7f64280a2333bcf5b39332bb8a9b27f221702fa996d100221b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}