{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321418",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6953a9f1fdcc3807fc9c5dcb290eaecfbadf8c7bafd9f24d9b908132292ae475",
    "signature": "0x43cab24670365862e782767c9e6eaf62e4362052b1ecc19e2b133fdcc34c07b615e3f82ae8083021d59cf05b240e9923d861b3ec077c246bca32441fe1f126d31c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}