{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa1f92e418d850480ccbe4b3be3592ffbf67132fa85b39ecc6a913ab1f5321d0f",
    "signature": "0xa1b835c900f877b8f022c3cde68e6e5460ae0665017be5dadcb9c1f1aebd3b317fe491401f76c71a84c5eaf5fd4cef6ced64775275f92aeb789d848905ce133f1b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}