{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "914786391",
    "entityType": "User",
    "nonce": "0x33775948f0acad62fffa8497eac544d853f1ea91c3b34e3ed47187279b42d8bf",
    "signature": "0x5ef2d86f8c7286d5d93f530c2b620ff1943bb48eba68981e6ee96d8d79b37db378ad919be9e85222fb06f55d39ec9cd7f70fff84189904c0379fa6e4f0f57fb51c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}