{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396905",
    "entityType": "User",
    "nonce": "0x4a2be79680d585ae3190817ab6334407fae73294d216197527f4483c8fcea01d",
    "signature": "0xf5ebd34eed6cfb73dffb9bb91b02b743fdf119da59c5d5b09deb4e33eaa7233035b140f72a8cc2c4ddcc4f7b9436802d75a25f41ea85b06481679692e42d9c7a1b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}