{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xfe91b3363038b057c09b9af886d7a4e14110488430668dca3126200e6925c365",
    "signature": "0x2ab628b4b9273b778e7869393ac98f98cf6e765d851515b0a5dad59d904ad78749ae88aacce8f2d79f161ec32bd574c03b37f497093ce6d5eebbd4fcee6562831b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}