{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190351",
    "entityType": "User",
    "nonce": "0xd2fc7a1c2266edfe41351ef4f4b8b4391fed45a0d23456b2e76a2d2a99cb1a93",
    "signature": "0xf2009cc5b9ca7654b6cd3528e7215876534ff379e07dbd78e1ff544bc51ec32b4dc17e305817e604ce24ee8af58710b741ffb4b2e69b9378c34906700211fe9e1b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}