{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574562619",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4d7ea9effe9aa32f0e4cee9ca6d513c50f030ead2001e7420dfa412df5f6e82a",
    "signature": "0xac59462570451cb5634842f029a008a79ecbb492192ba896c019ba8de5c4a7880a51151c73eba091013981f4df8ede2da6cc874905f14cf2d183746ea051e8191c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}