{
  "manageEntity": {
    "action": "Repost",
    "entityId": "774845290",
    "entityType": "Track",
    "nonce": "1791037957576271945",
    "signature": "0x55850d43bbf511a84a8563d7f6a1a07025424abec1987c475cbef6257a78fda0213c01c944c358b23a43642324d74237fb065153ded4c3c950d94f9aee9ea7911b",
    "signer": "0xE9e5656ce6F7Fe41FDbCA982901407eB55765cD3",
    "userId": "670307808"
  }
}