{
  "manageEntity": {
    "action": "Repost",
    "entityId": "671396651",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e0b20c66c4a9734267aaa5af824eaf09028d9de748387a2c7272b5901d2967c",
    "signature": "0xbe278141cb9b93fa58cbf8bce6e4791373227308911354e583b053670d50d6092de72ccb55644fef2696435320f7a91e4ad06c6c2d642fb2fdb0080d2c292a081b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}