{
  "manageEntity": {
    "action": "Repost",
    "entityId": "319389",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6b5c2f4839339068ce81282d7e6587e6436f29fd2bdd93dd985ac8aac9f90f92",
    "signature": "0x8ef663c190c870f51bf95ce83affa6416ff6581c76891c665c4a5f2fc705c8bd5b785d0028dac2b0f61c08e1ac253457c54312410463ea776584ac54de080df81b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}