{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22215",
    "entityType": "User",
    "nonce": "0x07cdfd3e1d7d247fe490ea05a69f5471ebbcb22f1408ecbe7522f00abcf5c3d6",
    "signature": "0xc984d465ec46f6aa1958aef85eb16e5db1dd13640427e34c775499c25371ea493d651da32c25fa87a5d10232077ba2db032b7441f1ae0a06e4e37c08e2c390ea1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}