{
  "manageEntity": {
    "action": "Repost",
    "entityId": "298928",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x903d522f1ceb89d2db5fad4b9fc8aee3868b52bc0e8d16b7586282bdde09897a",
    "signature": "0x90731fc45d84560defd4c01afc82eb80dc7042b5bf1f64b2e44c553579542f6318756d2be098cc3bc90c15c38aeb8b34cd97e10c0bb36832180c2dca1de72ce61c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}