{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439709110",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9369c9095b3ece640b765e49bab364befaf18f910ca606e0816421b993d9a7ab",
    "signature": "0x766a29858b4cd2754e36dbda982bf7d1f7b6c3f83f78318b4c7a493fc1e75d3e310e84cc6b3bcda77b1becab5edbc54f210913e254ca0622afea6ca4a80720221b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}