{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515738543",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfdd3b78d762eb978935f65bc06a665dc1c52e3c46b68529bd5b864ff24aadf74",
    "signature": "0xf141a0be1e25e7f72e29443b2efee8bbf534573ff87a53f1b3aec1c9517ee1f37153735fb6067fc6de358aa8df36d472b7720d9218b7537c2ccd52984cb72f2d1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}