{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509850606",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7ddf329561125c086d5bef5d8eb972ed6855ff181e165fef51afed357e80ac4b",
    "signature": "0xcee53141f34190f74afbc8cb38d7e6685dcdc08330461465dccdfb86b4bb7b5428f7c854e2c17cbb0d4bbb46d9e53b335077a35d7c186487f334f1b0f227e7831b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}