{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200988",
    "entityType": "User",
    "nonce": "0xafdeeda9eac5a849b9c90332a3c9613ec3c0ea81b898aaea552cc0bf64e49070",
    "signature": "0x370f80645529b8ef8a84b89ea2d07fe5f53c1c5a867c7ac0c29bdacf580d174138d77944893d44560d4ea687317b992f564e6ab0dcac1ab2de697c10415670571c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}