{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1290740404",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6eb38230333da406af94a5030263fa6d78f1595c28373518a15ee29563ded1eb",
    "signature": "0x4a0ca8b187c4968a2259e6c3a969ee92b8961d06b8bbdab557fa12733343fc605ab1c31cc7cecfa8ae67b97f84e504b74c4bd1b1d5ce98123ab04fe490c4e7e71c",
    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
  }
}