{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666138",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55710df6872c25a649fca4dbd5fffc3c63fd50be83d3cfdaa490d77baecfa11a",
    "signature": "0x8f8cda6539490233d8da092f55a2a4606531088039b1fa8bece03922d92ce078320f157459ca88f37d37ac5a76d613c29740754b4de9825d1e6f2b8cebecff8b1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}