{
  "manageEntity": {
    "action": "Repost",
    "entityId": "408958817",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54bccc92c7a7cf9072d3abad39d15c1ee9f3969ca07c81a27615e60872c7c3b1",
    "signature": "0x5610b4a0edf1bdbc5a6b35c465cd755fb2167f3d9d6d272d7fee8b34f62a6ba44ff3eab3802d246f43fdee27acaf478c05cc60931e9f96267e23252b7360ffd91b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}