{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1872789739",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x311b69e2db3de74fb9dccbecafdd4f308bf5af7133c0053c42e8bfc15719b0d1",
    "signature": "0x96f5005638785a82b28eb32d2c1b3a564d5c48928b06c6799c342f1e800fc8c95fe221dd9c01136e0d4257c03af260b327c7fcf9e60cbf511088f0301f59e2c91b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}