{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543728374",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x51cdcc54a07a0f3f3dbbe706e4b3460102cdabb424b8d09526e32cbcf4e39ee1",
    "signature": "0xcf54835b6e15324eb14537b6a329fdd995dded7414b3f5ea91e8200eebe14ab36027c3e72d0ec657bdb251ea778e6ae6ce74b613e6da7bb3ef6888250d8e85081c",
    "signer": "0x90CBf7c9BBF688fd9Fa4029B96e1BC32b270cA24",
    "userId": "711459379"
  }
}