{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678689816",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xde978f4c37cca50921bc55abac1ee907c392332732eeb0554fc0704b6162f3b1",
    "signature": "0x35f6659b4df613cce78e3474d3c139e714108a688082776d88e064f73b1f19fa70f05adae7da9e1ed10d7cb83e19cdcdb8cbaabb08940eda667b6df9d146588a1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}