{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449004619",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe8b79c02e75ee73f5a27e7b34197d6e1f662575db15e1c50e8ad19e3b76177f6",
    "signature": "0x42dfb35d5e1a4e6c19bea133065a8408b02371f204753407043447d3658c902625c601da8030ae515a3617f4f81a4146eb8a4df773e53c34a0bedacddb86f7ac1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}