{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1921919786",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x511fc41e9727f2e2ec34d63d807be4e68c53dbed6c5a753e2b5634e23d5db073",
    "signature": "0x55128fe0b95cec6cec52e69e38607755cf39fec721127a928b0b78e0e2745022140d3838c80bf82d3932bd2653c9f5655605b096cb1a4edb27b742a87e9c8b271c",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}