{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954131483",
    "entityType": "User",
    "nonce": "0x6842d3fd287499c79acd0e9a46850cb37a09caf7ae43f5caa682202298794dfd",
    "signature": "0x31a1394107e73df1c9cf47c0517ea44e67ac5d837504886d01663de830b482c926bc74f92f167a9c09d628f1327b2e3289d6620181231f6757f93e1423a3751e1c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}