{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193670137",
    "entityType": "User",
    "nonce": "0x33584b4feb43104364408bb8109bf0cc5050945694d27481a4e9272084cb1a91",
    "signature": "0x3aea321020c2869af924980aa66fe4cbcc3535ca0e2fecbba003cd0ef2d1eab329d94584dc84464fc8de237b13519af84b995ce2e4bcce52e0eef17efe4656531b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}