{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421596682",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x056e3937376fd4e7bf7b80ab2fd67412868e59c519a2b67ef27b8e2c7dc46e56",
    "signature": "0xcdf35159eb8f670ac42deb44609714822f026b0d1ddab29397e5360f9313d4c21cfee0796562921d8c10874dc31578eeea2d4433525d842fc2eca722502b44d81c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}