{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619906238",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4fa6eed94101d9c3d8e5e3d54170e52d785c9f423440016372de01d47bcf9b8a",
    "signature": "0x381407bb209a94feacfdb310a6866423bd68f65ec1057fdf25c66b5df7eec7a670247e3b7e5a4f8ae08a6ab9344bfbced4b92b0954566c3e32ac2816fb23a32b1b",
    "signer": "0xDD3Cb841c7f19ec5581F8E2b14d6f7a58B92d0F7",
    "userId": "582464754"
  }
}