{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544489",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3daa36623245fa916fa31a572dce020e5c68b6a73684f96d790b33f5d3f4b97a",
    "signature": "0x43ae217fba92dd13b06cd51e33945777755181b9e2d4c07d1ec7987f50bb0f5c3e2ed51e027c41214327a848605c04fa4a8dc662cff92d7e9785c7c62c2906d51c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}