{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243128083",
    "entityType": "User",
    "nonce": "0x2b108bf3a11517f10fe827267aa9784215fc73f8d75f76962517fdb4c2b06d27",
    "signature": "0x5e2c2ab884a4aaa54de2af534ca671369fc29ad8594e07a68ad6cf7918543340215d3358d9d4f70a85c6d692aa58363d7bfda617f639cf88fc86d07aac5a463a1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}