{
  "manageEntity": {
    "action": "Repost",
    "entityId": "138629842",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x301226761985240a171eaab7be1a76f2c3edf8328502c7fd275616ebc66d5189",
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    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}