{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x80d0214d20648b0be71ddcd3a048cfb4cb18ba97494b33bf335c0030f63d088c",
    "signature": "0xef598b7ca6c2b4513b256e1a12ec85026bb18feca775e1ffe3f863760c172a2177ed63a6ff131225183a02f728b7aa126c2f9c3e7641a80d4d2da224dac4af3f1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}