{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643950",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xda7b519615438c5312376ae28b1e869d68b0a810c46d6ac94e1ea102fad3d886",
    "signature": "0x9a8ff472482007306bdfbc87d9368f092a3517106ffd96d1532926937abf090853b5ee7f66d3bc22564d1c587ce7728f696796eb51f5a50849fdf4f15fe7396e1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}