{
  "manageEntity": {
    "action": "Repost",
    "entityId": "575090",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2032d7bb8307e2e84ef4cf8bbf7c6d704b6ad88646ae8906707c61818e53b380",
    "signature": "0xbb6d5dbfff4ed1aba09c193650799d46716737a838d6ed1fe21872559c267b6f69a58eca555cd429c3c9916ad55a92608dfd6f2ee99602cf7cb423b7cb700f871c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}