{
  "manageEntity": {
    "action": "Repost",
    "entityId": "438960",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x895e91c285a09d7ff631b26dd79bb6f39af25a1f32d94393f2fdc67c8320dfb1",
    "signature": "0x0276e91b5771c406dd35a1226af69814981a07af13dadcdf0ebfdf09397ca9ca55e594d6c9eb26988a4b5e559237c5bd4f4a08a86f1ded0ec575d27eb3702a661c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}