{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499526123",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x28fb19e85d2a75881cf8518a44c1ad5d75b166038604cae0bd54389b0b4483cb",
    "signature": "0x798c249678b0e7195181c3865af3364923eeb4aaa79d506f6c34a3b0feb357ef0a6b01c3fcb3047ee877a3832c1e6dd95c300eef1675c15434269c5bc222f1ea1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}