{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421622783",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb04aea3c9c2c0700516453d4e5e001353cb52d24f65e8e39e6761f383dc4ca28",
    "signature": "0xf5bb2f2007e744e4c6c1226c7d19c254f9640eaaaaa3284c105a9d2088a7c32b1a36ae88c03ba0525efb7aad8976600e7a0c6d9cdfa2c3241b2e0a6c0a536c4a1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}