{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x88b546376c3413ddc5767143ae1bde2c94335ec5cb02797f4c8a52a287005827",
    "signature": "0xbfb602da1b0275b7cae1fd7bc2584df0db1e31fb12d72884d5f1150bbbeb45140c28877f584436c027a8eca4ab476add9c9251664b97989968006a454a5af22c1b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}