{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174894112",
    "entityType": "User",
    "nonce": "0x519e22b67cefb8c2c3cd995fcd5d3338a9214e92afe1c9559df584c33f74b7d2",
    "signature": "0x120bd6d4defd78d7e4343af0937beb3b3c46c02f1cb144b23df6b64aded8dec442e09a6758bb6655a2a5c7d5ce7ddc2729f072ef43efc9d2005457fa7a4b75ff1b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}