{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646499801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd52b0ecb8cdbee3819c82e599f18f21bfe390bd79f7695caaa5020c2aee35dea",
    "signature": "0xa42268742035f6a5990c4b77d85dcc83df170768dff540c668705df770000d6a4f730c14ae4756473ea34cb3d434e16a030e47be03166d102e082e14e7d8a5931c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}