{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545643248",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8d5c077ac8b61ae59788e5a403584f9aff39984c49517e5cd6c263c7d24f9d3d",
    "signature": "0x4221b333c1b8d0644467e6819f18f0bcf0ca7bc15f45373ef3d89bc452ef37c038b7d9858eaf0653b34392dfd465e5b4a71026207342f7c05f1e0ed064cff06e1c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}