{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2011332",
    "entityType": "User",
    "nonce": "0xb4013d5ea6450d1532475c03a59aa263f100c069868dc1f3091a7bb7ac27a882",
    "signature": "0x1c403482df172b19533b91b3f0c29fcecf8eb2ed305f9ca4e61b9bd825322afa72e99ac195eb415b77e0d79a5217585b4586b30fced51d08d54a52638bf730111b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}