{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621456576",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc3fa9d18f9d88e48f87ffabb29ee45b6b3747a74edcc68bd2cba061c9cd67174",
    "signature": "0x8588c5bed15b4253754ed627f579626a7d1ebd2cdfa24f3b19f47671b5a573375528d64fcb93ceb2f7731ff13773d651e21867e0a527c688686e3068dd4782901c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}