{
  "manageEntity": {
    "action": "Repost",
    "entityId": "136879",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x40adfa4d0b67cfffafc1fcbbfa27a4f45ed37a02b32a4a1b2329b89a68f2c9f1",
    "signature": "0x4ed1e46e8a9ba1973e93fad1e6c300f13b8fd6372c30d3e4b4f35b88bf52a2d1703d2cd0cb6611475e545690d88b2e81901beb9327f81c6eec500c86a47eca201c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}