{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448345766",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x496ca012059f529f546580820919f3fccda16a2005d360f395ebc6e3fe0e478c",
    "signature": "0x45bef8ba10e63cb33cd1bf554759aec1c0620b8d907e1662652ffb781686db4d2690d5c1928065c92b074995fe0b56c52f2b439ad10710e91f97652ef3160b1d1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}