{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78684817",
    "entityType": "User",
    "nonce": "0x43a05079326abfe86818990486ea2cb6890f589e9ac62922056bd2eb85455272",
    "signature": "0x6bbf36a84f44b1eb1929c255674c5a22219751edac9eaa04e405c91d1e3b24e95762c55b486bdb3220e470c4002e530f5deabac1c87e840583c0886ef38236521b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}