{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa845fddbb3816f4f8441b7f491dcba319a00474726c321e0dd856d606e132e33",
    "signature": "0x892550323977c7dcdac98d7fda9453cb2d71de39ca83aef886890499d8d632f07ee0ced3fce7c32f3e8768463b7448ab87e64be9a337c13a82f1e4b67fbfe0221b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}