{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574199",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9b3b97d7c0b6854561d88ec6b00512c7b94348c2576ea0884dc93c7a25e3657",
    "signature": "0x95c179b6a4961b1dd920bcae0ae28695a9d9a4c3b84edf7615431fb87bd379964e83e569e78f1a115acff7b40bb5840365885db9b17505c0ab7f3840044bb8891c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}