{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399149335",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e958d16b6898499a16149241a521fb6b7291fe85db26e37ac884ac4609fb37e",
    "signature": "0x8ff6d22e51b557bf6ed3ada87aca5b92c335bb5faa8b309b5827a16937cb25a66d564f5921645a375512d8a225c0138f24d6e688647019d7a6955df87b52d3251c",
    "signer": "0x53f39D73a2dd51E9e8A362EF3b1383072E37cf26",
    "userId": "74209883"
  }
}