{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xf3e65c9b174d1e1c632f9ef62d7bd3042ec1cc3cb889322518dd21bdb5dcf040",
    "signature": "0x1834b462fb85e21c7c316dc80712c11cc0e1e1d887f956b18e821360097b39212371d48e664e2f2dfc97508f759c8bbc7b6ea47c47840464ddd17d357fd877cd1c",
    "signer": "0xd8a65dC2d71D6caDA0ef13A84908F90052c425DA",
    "userId": "837557269"
  }
}