{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd2f3dc300035fcdd06527f90ff63d74326c5a6165146ea67cd4a755b379cc0eb",
    "signature": "0x0652bffcdfb54eaf39dd2ba9cb798d38f377c77a76e544a7c3f10d5a6fdaa0d60f85a99287068b10072f8d8462929203941b724d2d2854262e581035ab56e9621c",
    "signer": "0x6078B62601acD567Aa5CCEe453f8Dd926441aDcB",
    "userId": "181841569"
  }
}