{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600992499",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2839fb9e09544613d3e0a2b0cd44d3c0138dd913034e89c8909280f47fef2c4e",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}