{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x347463a68a9030b6f2109252fbece2835479497876d31c058c8326d930bec727",
    "signature": "0x39f7a484c60c387d778c1531baa007227bb8ccab0dac260becd515d803eeb436221e6eeb1e2e54c24148b6a58ce3e1508212b2f13eeac724359f7e2894689a701b",
    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
  }
}