{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x40ee4cd114028e2cc1a6a391141d602e673238dba698bc9373ec1b2dde84b967",
    "signature": "0x792e3f2d231d7aaf023f111992cb40548e760a70c4be011d4f807b6e97ec08c9037a61e2e690c618e4b0aed17a5ec9c37b4a9bf9ca7c2ebf336e9ac6f2ae46251c",
    "signer": "0xd8a65dC2d71D6caDA0ef13A84908F90052c425DA",
    "userId": "837557269"
  }
}