{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757389109",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfbc46742960c5f77a91978df8918bb0fcafe4c6ab29e1543be63286423ecb968",
    "signature": "0x7fbb8482a4e667527ee68f1ed3a7d72316d065206423ca920b64e845f7d4a2cc63fe9b4c2ed48641fb90fbf57ee45a328e1fef7ea0001671bf798755efb70ecf1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}