{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1604514060",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5dce2fb928cef846be701d4dbe3839bc61d2fb24a4ffc263363e8a5749e9c4d3",
    "signature": "0xd5377c2b550fa8107f69eb0af8d47bce22b6f5a185ac30746ca3441e0ae3e08115a782f8cd7ecbbf926cc1aa316ae8dcf6cf2393c9a28346f75a2349234b0ed21b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}