{
  "manageEntity": {
    "action": "Repost",
    "entityId": "138851321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e44162ce2a36b403bb30d2a1be02c01cfa7b41f9c66a0ae4752dbb6bc7caa9d",
    "signature": "0xeb6578fde508e9a6c6ac7c30694e08964a954100e1d065b423ef4e178bc28d9d3752b901d0ed4dd80a5697ecbf5697be70417fdd18342ec6e823280b4d7876021b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}