{
  "manageEntity": {
    "action": "Repost",
    "entityId": "671338",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d08d9e3884e3adcab8e5775cd26f8768bd659e4f55405488fa8f162e602f6a7",
    "signature": "0x4b79d51b799b735835be8a1453b524c5f9dbc43a92f7aab363ab0453f02ba9c660fe4bd7d1ee8c958ad1c6f5bfc0a2dccb8a74bb1296f6e984e6c97bea07d5791b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}