{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664536",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf5255e1b57d3419f3fcefcdc1cfa98e1b66b2e801691e0a728412524211c0211",
    "signature": "0x4dde3625c8de7fa97c81f36334e48a6c4126838964d9c026303babba6939f7a419dbd0461f46195af9cb299b6eb28e7cae133246f8ee84119e557e95b21da8a51c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}