{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757104",
    "entityType": "Track",
    "nonce": "0xf78408cf949f6ca2f26f73fff0b49be0a6c862c75ae7fd19872a5dc018118eed",
    "signature": "0xfd57f8a32c5cb3d3513479cbcf3a2a7c979a480aef2045ca7e939560a18c093a08961012fc153a3fc3204b72f79db1d14f8d7c68eee6e5958f7bf3647b294db41c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}