{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553111",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4fbe54f891e3f531d58c5b795cb660418b98145e18736306f5e07e5b789838ff",
    "signature": "0x37acbb8ba3f33f31163219f16eac827961dc04156a2994acc72a1b425d3b364e02577446e99eddd5ef8e874fcffa4d119a82254f269b5691b87cc2ebe1b55c151b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}