{
  "manageEntity": {
    "action": "Repost",
    "entityId": "661428990",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8aebfb21b573a9828bc756b8dc71c7a5ea5d9f8651c4e17a4dcbd068536c5d6b",
    "signature": "0x9bb73ba994f47e90f4349b6284d9cea06c93d8b10ffed370c5d76d2ecea216f83d4968ca7430f960791cd28f03f0c4f86be6f71d43d1ba8ee452da87733b6f9f1b",
    "signer": "0xD24F8A2501472e4c9FD5dfCCDF80B550912c7FB0",
    "userId": "887242445"
  }
}