{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1692939",
    "entityType": "User",
    "nonce": "0xa5f1e05a38a2a41c7579ca740a249fb397f451684f145fd2bc0b5441a1cd95ed",
    "signature": "0x8e86c786247dbc90bea91951d8ff432ac63493bb8380469c19ffe3e72b87e23313e28465661ae2da75bb6072ed0786b6a4b81d5417b31c4644a5afe68667f7f41b",
    "signer": "0xbd126Da914dEF5554d9f1d0c31544e8646419780",
    "userId": "81556"
  }
}