{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664720",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd35e6d3f07a29872ea53834c8d0e71bdc68b319475f88cf55f9aa82b5ca51fc5",
    "signature": "0x64582cf929126b113d6ae3ee7ffd275db5d71121f6e760fd988ca1463bd38a76118e805dff03de6348f26a8dfbac02e8f92cd35466b1ed54da418d997398b1f31c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}