{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "481498586",
    "entityType": "User",
    "nonce": "0xcd7d9dee8b5478860e75a2a40d833d48f50a63c9ef3b41249c7ff3c23dce9ab9",
    "signature": "0x84396a066a9d845b18dfcaf5bfa2b9fa6749dcffe0465b42f239bd9e498406373e81e40c8e4629d76dc9bbf1c4727c9789dfe9b43b7387d597affb8b98b4214b1c",
    "signer": "0x005385507D169DF7Ad14f23b728248Fe5464Bc26",
    "userId": "303866152"
  }
}