{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619951",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x25dc85e89f39526faf2bcc6bba96cbfdb570e6c87c19a145ba06ef8bb3ca4e0b",
    "signature": "0x3f39e4a4b710aab9092c56cece491d5fde2451133a75e54c456264cf13548eb82a6bf553fd4df65412dad3bff82bbbb9193fcbea4cd7776fbd62c553dd252cd01b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}