{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738541",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x700afc3b6309d2f27cfbbf930b9c963f91bada6fe7fb98c427d427fd90890ef8",
    "signature": "0xe8d65668cb33afdc764d63b62af2a731f81f613a65b784941e3176b9d31267c41bc1f4941bd6f9850ce916f6fc043c2ba670ad5a9a51c5b5dcb94155c4a5ae731b",
    "signer": "0x13f8ca0832087662A9bA298e1F708853B8615826",
    "userId": "990836999"
  }
}