{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149566028",
    "entityType": "User",
    "nonce": "0x605443a70a670a260c08b3f71b15dc5b3b8fce248dd5dd90e252c61a7765cef4",
    "signature": "0x0e92a4f3921a94b9456480708c78825a75ac060b6766d5d127900ee9f4ebf0825b534ab2da3f54eb201ea5722f60e64b69528249ba4470cc507b9b783015fdfb1b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}