{
  "manageEntity": {
    "action": "Repost",
    "entityId": "397088099",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x13ddbb3db662eee1f1b8b2dfe932cd03ceea65be6f59eba66e95b1d0d9a604dc",
    "signature": "0x8f6a14ed4618ce79530a094e42a9f4b324b9c9c92fe53f38d154795084162d0138e3ad10f3ffc25aee79d47f74928cc1932758077e381c7a69deb02bbdffaa361b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}