{
  "manageEntity": {
    "action": "Repost",
    "entityId": "512419",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x64c8153ae37729320e9429c1f382b650659b03f3ba8674f86009e7f228b89a75",
    "signature": "0x1d1b0cc9e5222568b38081811ed09656c7c4a1ec4b92bed289f3f8a0a785a91c58cf329689b26f443f04ad9abf365423bcfbd60d471e3a6775300590ccc6179e1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}