{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489608",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4a28d47fb61ba3d17b5d3bf65da56733e056f1993f3e299eb28c4859fb1d5e7",
    "signature": "0x4f30570b518dcfdfe14b046b864438de861bb06c87c2daa71e21294103b7f34b248762ad9545efe562db06bce2e2cfe08cee0512ce58c04771a1e6d119b9b27d1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}