{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1304242612",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb5303f705f90001795a65dbd7dfd88ea99b55e7681306c7fa368575e7da1faa3",
    "signature": "0xfda80e9f2ea4edb32bba889aeefbd30c12078805e891f03e26e0810d0decb80e7417061a2b6a024ac89e7bafb547659e46686bc99dd79142a5b3818a898affaf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}