{
  "manageEntity": {
    "action": "Repost",
    "entityId": "75403",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f48be8bcf34a184f48c9f2efb070db5771eb5d8d07a6a9a2a46ac5a01ed886e",
    "signature": "0x4e6fc6aeebde3d476d00e4f86528f71d0d0b25bb4577a6435dd11d3e3103b6eb6ca22b8b6704f5b162661701b5f180f8992d4ade0a991096227fb4c2f72759991b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}