{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646499801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe25153dcbd99c0b4e7f3219dbdf8d9fd62674e7ff2ab4dc5991757cbe0a8006c",
    "signature": "0x8ed9ade81358464988dd3a9a55d1535672949623a681319f2b106da897d31d504bea5ff649ab80c658b0c3b9c5687b78d226b4167df2dbadad7ce15055dd83261b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}