{
  "manageEntity": {
    "action": "Repost",
    "entityId": "598476643",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7e1e3934dee7e3b3430930eab7ebad8cb9b3085cc458f194a82be500c98cb3e2",
    "signature": "0x57c83e37e6d4ad46c3035905d745a7a1cb7002e824f71be3cb55dbd8b3cec48740ceb158043c226d023894e23f88e53ed0c9b5e1011b2207b77b8b9691ea6baf1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}