{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448325221",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xef4128943ea496ffe12dbcc0dac79217ca167f7c23baf132460bb0c4f87ef529",
    "signature": "0xd3202ea5a95d91763d46c60191a8a49bb8e359752c15dbed7c5158ee0bfcc6e40745baa3e1e8c05be3370c9b73d8b2eccc3cff9cf7755d59b3e2d854edf556041c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}