{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504223478",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x90b70a3d68719be8aa60a6a8818686baca28d2784c1a044cef12fbe0a423cb98",
    "signature": "0xd6b242527e83ffc9c33b45712492e22a6a9e2ed26ec2eb541d5d0f319f86ca105ce46b8b5cf742aeec3b62a77754562609105d31730e54ad6ceb1341318521841b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}