{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1580981621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x67e83240e54178394f6aeb6800f0943361a4c40dc7e5e1b73ba5ec7e41a8d54f",
    "signature": "0x3022d1dee25f032827c878c081173b32817c1aadbdb529ec14a43d29427118813906e47319162482a7a403b990de2751962ab847a6f8f6a204f540b3100387af1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
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}