{
  "manageEntity": {
    "action": "Repost",
    "entityId": "689047458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe5374d3769afa5353fd5c9655dca5041e6598943ddca1c2c596d23b4dfaf5c53",
    "signature": "0x5be1951678304baca714558e01ca49ec7e571ce18e9b422d94179a930be5e6d85910cdea8c1f9a8e615dd79cc481ed014d8189706993e0a28124ea337b6c38cc1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}