{
  "manageEntity": {
    "action": "Repost",
    "entityId": "323619",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x50f3763b4fa79c9ec138bbb42d6e06c0fc71027520eef33b39a9e849d2c6b22d",
    "signature": "0x63d40a91e23668335e26dac4326c64f6054d1097f97f9554c95c1ec9578e400c4eccbb5df5f93341ef6b4a87b0d23e8529c90e39d93cf8222c68cea5eac774831c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}