{
  "manageEntity": {
    "action": "Repost",
    "entityId": "391221191",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa6ec671f3397129e6ff49e3d8e608c8fc9401c7c7b6fca1a5c3a77f077319470",
    "signature": "0xa8e8d86a64fa1d6e0f67b27fd28f76660e6d8a282a2bcb27d19b676e3b0771ac4b3ba7f4e520ec2c62a2778d63487566d09f015139e5a70ce69e565b433427f51c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}