{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553906647",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58c557e8060d876a3f91332ef5fc7324e1339383165f2c4be764a60d30eaab51",
    "signature": "0xe84787125aef81a06d3b809557c8c4c119092415b46b659b6d30e7efed3ac11c7abdc8b1052321783a2bf3dbf95a2bb006506509fb9b7cce3c57ad9d78f85d851b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}