{
  "manageEntity": {
    "action": "Repost",
    "entityId": "339967",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2e6754b0d7d1ed215771bbd232ce4e739c4000c209bc28b533ad1a10f6470064",
    "signature": "0x8f8f3f291f648496c16f6bac4d05ae8d568b005b89d79939ac32fc27b24e01c90cb8a137c25c022482c2300e5035360b1ed1866108a6a85cfc562b1795a2dfb71c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}