{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499441481",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x57855bfd32d35205fcb20c627f2d8d01be1a6c67edb44c829c05e592342f2a19",
    "signature": "0xfd16471b73fc50b71297618c6f947b8f2f8ca4ba4f7b8686b47cf8e62ab4f16131ff887bc8f292059997f03085c759f09fbb9998ccdf0095297b37d335b148831b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}