{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x0643cd0c42cee2a5a9544b14713778db57d90618543c70773e29fa15a9c9b9ee",
    "signature": "0xaa4ff7a86aa67fe5438f9826dae978679e755f91c41f5c823d7fad4682948aad2146ab22205b5d455d4cdb18253fd083963676cccb92c2e6e9eacd1b1018a5251c",
    "signer": "0x79ccb48Cd9904479BB0E6049F3B3f83892bB049f",
    "userId": "744238923"
  }
}