{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604564070",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9b1492e6772e5da7c6ac673e91ef502ac4d001e2b4cafcf12e6614ab94016c27",
    "signature": "0x601839990e1d398d24bdbe19fb1ac5b89fc13933c733d59fe8236bdb7567f0dd429f88d91b070a2bc89aaa75d4608a79466dd40306b6073e31d194109cd2b9941b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}