{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644318640",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x25ef171e90975f79a76deb14dfb512185e598836ad35b1b33e1bf66ac3484e45",
    "signature": "0x755a215c66bd5965844b45bede7774dd87c22d0d6e2678281e78a355e435fa2f39afa630e769bf862a050ff71c7bf3cc1dbd377bd510c4a26e9bd8ef4a09f3561b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}