{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80476",
    "entityType": "User",
    "nonce": "0x717ac96adb7967da8240fd5a92d15f609086b813d00be6bb689392b21c1ab2d3",
    "signature": "0xa2555b5fccbc1e0e8e5e9e1f0df60918c0db6c56a080e31865c717c0d8d51fd75314b0da263d73faed7d047c3209458ded1799e1a275aec1ccd05d41677f94821b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}