{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x48520c0496c971f945cf10cf9d2e76604415e74c8f4efa2b69039fadaa2a7f27",
    "signature": "0xebec406c5837a39e96ca421449663e432b85942a6ab617bc0dabfbb5e9d28f93072a336181d22d6457082b9014be27870b3d63d570de2edb9834cb74dd483ddb1c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}