{
  "manageEntity": {
    "action": "Repost",
    "entityId": "854789",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78eef3ac913038b86767194ea5e6a1b1fc47b65196f4f5733f8678256d8d5214",
    "signature": "0x4eaa170065b252bdca9abb343e65821557ab75c6b5a3f91b8487684fdab624e60a38b08858be96b38613287214694e89f30401a4ca181b839a7e8e8a26a37e771b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}