{
  "manageEntity": {
    "action": "Repost",
    "entityId": "338539",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3ae2f01148e7969b35f2f43608c6131fb3cec7acf841ab6ffbf4471f2c692ca0",
    "signature": "0xfcd95a9b4a1de8baa396634146bbfbe8a6231331ae361e3427cc4c3e5b0591c555ee9d6706580d6643a5955a118d008faf5ca5fe16904ea749acb63128da9c1d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}