{
  "manageEntity": {
    "action": "Repost",
    "entityId": "456306",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9916f0adc125d807ceaf8c13b780d115f4294175888a5c34ab0503a482d729aa",
    "signature": "0xb26ddf22d87fb6073abdfa96b3a36f71e36e06650ac81cd2475795bae611a84a3e4aa32e6432b1894fbdc74b56a3d493a347af343296bb2293bbe18af05214a01c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}