{
  "manageEntity": {
    "action": "Repost",
    "entityId": "478455344",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x30af6b5ac72fe5da7cc980d86ac0fc91b9dddf9093061baf781ac6aa58aec32c",
    "signature": "0xbb3319156a7d8b7d24345667249d03a5dc1457df5e08bc5226546281a48ce7c7700aa0302afcd3d6c2ca19b73cf150e36980bfc10b05c96367e3ab5f44d0b07a1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}