{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504789786",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x012ef668979cff6c1e8a6d5361ad9c8744db496ec37cca08da6d165d977eaae7",
    "signature": "0x4fa08195936ee31e8f4b8b9507a1efb77bd422b5c785c64f3087922c24df2d5d1c23b98b728e6d2cbd2c046b68b819f22e4046755c09fe09214d86a417c96aa31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}