{
  "manageEntity": {
    "action": "Repost",
    "entityId": "398676",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x07965938446c21dd5d790a1ffdaa83f02272a362e42c29c4b386417743716e4b",
    "signature": "0xf41e583f4c47922812f082938cdf24021dcdd9f5446d3c0977c140c77ade1dd15f116f6db59fcace633286fe60b5071b2ada9c6dea157b08cfd03a54baf631b21c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}