{
  "manageEntity": {
    "action": "Repost",
    "entityId": "612319459",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x685205b004418940650f36a235d81b0d624a79b4eb3414454e54f1e36db3c8de",
    "signature": "0xa38d1ce8e1d81f9c3a8f28e999ba6b8ca671ba376d71b8f6123c5d817dc9981b219873b1132115ac22cc5e349e6bc7b2c2e77f394d720b7e607709c5abaa38691b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}