{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc862f31789b2d43f6773c8ea225590436fc8a7f54edce83039a40b0f44543dd7",
    "signature": "0x5b318055cdb6bb2a9d044d5ac25d97777b64fe618c9a2faa6d93820bd2e67bff518ea74a7890d53fa96e063bd3853bd2f36f0775ee3f0cd2d56f9e87720b4cac1b",
    "signer": "0x82917a61687210b1991eccB5B767f07c38B711B9",
    "userId": "874367994"
  }
}