{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199857",
    "entityType": "User",
    "nonce": "0xad012f038ccbe186cefaa945a975043669cfe94c3b947f28a8a349738ac76f08",
    "signature": "0x55af9201840c8681d136343908fdf74618d69c24c657359122d6fad3549359f83f656477acc928a3c46c0737623018856a928b473e330a6d718f36f7df1622071b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}