{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1303611530",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x056a59195b08484e145fdd2b66dd3eaa0fda2ec75009e1eefacfdcdb1da8a90c",
    "signature": "0xd247dec1865cb2eb4cc9d4460270699813a4a9a1769e7973b2264e2ce8618db10cefc127b76550883150727a38d48ff4919f65075cad9205cb40b941fb3f65bd1c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}