{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0xcdb260db93927ab3feb2f25a77c63eb6671d01c88f6a2ead9ccb066ba0990f67",
    "signature": "0x62c3b3a5b42d2cfe6b9f54d14ca153d65ba7edf4f4ba299ca228cd42b57e2fb954b2c8bd1292cbc42f0dc3e483d964de16b99a168a94643ae54161120798f5b91c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}