{
  "manageEntity": {
    "action": "Repost",
    "entityId": "387953898",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f38dc5981e16d029c1945c7b0b479db10304f895501dcf193151e89325eaa18",
    "signature": "0x231085c28357428a199f40ceed22b6b50abb6d2bc807c28c296717e6d206476262e83044d4d0cf0e21665fdcc5d995572c544565b9ff04af66ff2d596c9714051b",
    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
  }
}