{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327509",
    "entityType": "User",
    "nonce": "0x3ef9306c136628cfdb34588245d597d5192691cb571c55f1ae754dcdb5ff25c2",
    "signature": "0x35385b68ea88320759605984f71a50ff891e658e0c6fa5080ce146abd59c11dd0da149521daf6d564a2e3cb5aa57846c33b1dff156b27cf3b0c3b6f61d60988d1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}