{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604151",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55aea5f3b28b576c734562311f9a12c7c7891824d92d679d5c2f20da76345d41",
    "signature": "0x47494b79bfe18edaf26ec9c36657a7d94382b55921668a401ebb1e7bf46e3e300249b46fe224f6a624b17c55c67ae1d278d34242c381e76ca4f2e14184524d861b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}