{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604108",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0abe6d1e665ec2481a0ba5d671e1f759be7bf9e0dabe140b433b452903f7000f",
    "signature": "0xc5bf320709b30dc5cf47c16c377b2faed5c2b170d7551b676a6d3d51ee1746ed5553c7652dc0f00b388a27d667b16e1b08d28e3597ed4b5ca5e3f4f9de232eec1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}