{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603018",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfba1d859d197bd8b75ace779f3a0615fcc4cb13d6d7be172f9a498186f48dd2d",
    "signature": "0x04b944204b8e44027eb22de5cd1ecaea7baeb9a51f1f7a4af4d200be113bd3d076988f148c5bb05cad8b4ace0ccef1077b696614f6093f24493eae7071da4bd31b",
    "signer": "0x2B28feb1CA15953a5a910C4E741698a24e8b3FE9",
    "userId": "887020893"
  }
}