{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543606",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa65fbf5867a3160ee7189b9452da66cb8d640d7c66a7baef06298578774766d8",
    "signature": "0x15c6db01be2a54600c7a7edb28c800b61f6bb187f652d99974f109bc055c0c7025d16064d800523eb40eae257468b9ef47f1448c023c0718c2dfc779199eb5721b",
    "signer": "0x580b8ce3181CecdE24dda8DddDB6a57828990d63",
    "userId": "214104220"
  }
}