{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136694",
    "entityType": "User",
    "nonce": "0x05d662cc36fc752df82c822f931b7e7326209bc13f3b717223f7b009e2be385b",
    "signature": "0xddd4f112aad632f8aa5d7e3e4f7e3374ceafa9fa0b9c9c6cba01d36800defe9a6b594a1f4414946e6dbddc55e51fdcc35c2dbbcc00bc92bd231339851aeade291b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}