{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457437440",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd96010a8b3d6f30ae441438c12b53d086ac73f4ddf895ec013c12a784dd5dde0",
    "signature": "0x7e7e0bf6e81d3f695de1833645e2adab31a0d5872b4f96a85607c7717a21f3ac7e112439f96bf8852f26bf2db9f07b72fdf0f38dfab476b57844d6ce239803e71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}