{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554123",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c8db21965b8bf5fe7b6f1cd0b3c2d8d6c9f7939ae9139c5fb4babe46046a19f",
    "signature": "0x8e14c0f6dbe5f569bf3eac1071e0f4c1f48eb2b4f883fcba139255a04159b59c107699a393f529df2722bffe99164f798769f4f43c058c368022180f0e9b821b1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}