{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x9815efd570cee421b0a9cc3640cabf6a9fc0fd0cab5d7d3e1b93ac2f98d235f2",
    "signature": "0x71aaf7b1c75e91c17281c35f1c8811b55c162ec665b5f07fe5d89abb497b546e3925d1dbef1169bf3c7cdc5d6d6d8d5a001dd9bd0b3ea318e1816a4e00304f811c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}