{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503533330",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58f13fa296223fdf5c5bf8c1ce02d2a9bed2d8dbd13a7fece6f3d74665a2b053",
    "signature": "0xce3f5cba556eef9a49217347a9ca238443398ee48046861812113950d7e0de4a641e4b45aa85ad8142d0e7ebdc60dfc74d7da48fcad7ae27a79cbc75fed409621b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}