{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40429",
    "entityType": "User",
    "nonce": "0x4832bb572abcec5354712af6a75b2039d5787bf6ac0792fc59df404bc898d768",
    "signature": "0xf19f484d9bfc19db42abc61380268c33d8cb73d75d8f0cc2555551432348a04a40cdc5120011bf9b539e19087db0b4fed461e11a8976b69d5d77633d4e1e20f11c",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}