{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648042064",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0708c9e9ed07443cb2e61174001ae6c7ef3c16aa6e53b0ae73f505c90a432538",
    "signature": "0xbfc9c632e3d8da5da8f566a8b61b8b42dc78314576d0310fa842502340c73f9a384cac246a543b5a7f4c026590ae23a29f29563c1e1e69f31f19943e12b668b11c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}