{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645904",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb0897356f41bc3f165ef07f8211cb6be995275e4e0c717e7398cbf2a104fc7d3",
    "signature": "0x727f0be8c50e33cf83352dc1de1465efcc2250138880fee70fbae932c5a7fbf96909476066d9b5cfb90b0092008e0c428f4a6dc988be164d0011509da170e2e91b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}