{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600000504",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe2ca8caed809a26d8a0f37cc70dee794922ae75677e0a8ac718ca5ac880ca94b",
    "signature": "0xa850c8ce7747111471fe593df3c8e0df66cbff8b9b8059ca30807705f1fc3f913c70e614e5210ac8dc2b7e334b76e1de478b0abadc1d1d1d1024f5afecabfa5b1b",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}