{
  "manageEntity": {
    "action": "Repost",
    "entityId": "778890015",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8e15d08396beca72439e70385e919f6ef0c329898cb03a8314ebf1fa25a92530",
    "signature": "0x5e64c60c465701e368eea467b21ac2c832d9171a5544e96d5b52485e32ac9bb37bc6d55a7d8a64df3e5be7be16b71ac733c526e152c3b4f840c198ae2c51e4931c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}