{
  "manageEntity": {
    "action": "Repost",
    "entityId": "546429383",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x24c5abfe72e66c1070520e139f7e65fa92de6ab72c5ea01e95966ab3bd33e989",
    "signature": "0xf76e9f8edc887f290b6f8e5c5a36a4262157f4b56fb836d5d6a72804b08d3a7b456fcc3000f973da156fd9d16e3df2072ff81bb6b7eef12cb76e72cc7ef087f91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}