{
  "manageEntity": {
    "action": "Repost",
    "entityId": "2141313083",
    "entityType": "Track",
    "nonce": "1789895391360144622",
    "signature": "0xcecf5bc8315582a76f936e6f7972332a460d9620f8ad1c625e4d760ddbc4599167c22b2925df29b0726306e5181a63390a91a9c2c14269338b462202c857548d1b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}