{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513708",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5900369162f214582d1e5d992601d5b1a90f16f16ed5a89a31862a52bb16678a",
    "signature": "0xa8f1678108f533580b063786d7416ab76bce39dc702d3a480d31f7116957187e42ab5e05136b5628ee9ee0975d344591c0254af785a84cbb82ae2fa9bdba6c7b1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}