{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454479",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f5f45aa9c1baa60b48fba0065a2a0492b6a02cadf615bc0aed632971cad25f6",
    "signature": "0x5b24a9eb00e446a4cc976f22a5aa34f481f5859e29988925bebf5e44013d9324042c9b2b5b927f940ca4db58b4168dc554c94fa6bc3f291fcfcf4a42448f133d1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}