{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3eb8dda87bc2e76969ec4a6a2d1ab6716fbc3c11410c50abde2764934c8cfb58",
    "signature": "0x5265493ef3c89bc014ad068cea7eca5c976af7ce8e57cf3443ccda424fe4e3e87dc043651f23c3e73194891b9fe5a6e328c2db1131d1fb81770a6c41d632fa8c1b",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}