{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664341543",
    "entityType": "Track",
    "nonce": "1790600946390204437",
    "signature": "0xeca1774523f88c73b1ab0094f231dea3739a1923ba2f3c3d5578c1fb9dc0ffa3697b0aa09698aa5015e8a7f2aad16ca18280f0d6aa250a9c51f515c50c00811d1b",
    "signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
    "userId": "827420993"
  }
}