{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3541",
    "entityType": "User",
    "nonce": "0xcf3f5e6114b4bd349f727f7ca7dac2afe07f16d81c8c27c09464dd95bfc41093",
    "signature": "0x4271720c8a6d57e5618bc974ceed36aba462c36b4acac23603ddb6013af829b56005e8af5c9a50ee87069254320a9284448b3bc6fbd3154f91a1624fcb86071e1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}