{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x606a15d79762c4c7016011d63639bb3df0d75b4eea8e54a68bae56b437a08986",
    "signature": "0x65f8d9e3c8c599d07e8d032c76ca4ee69d7f6ef3eaefc4f93fc5e2dbd35526436aec26970b0eb8c52a832a3b69384834cfdaa27af917829628b0825232b2c4dc1b",
    "signer": "0xea79EEd60D97517387a63Acc5fd3BeE2227F1658",
    "userId": "220230236"
  }
}