{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x06db262aacce63766a4e42690c7dc69f791aa6bbad928d08aa405bc154b08a79",
    "signature": "0x7a9e2571d704504b24c35c8deb32be21c8585905e4aba48097a5f56bca8cd2bd21c2fb28692360493f10b61a61d66f4eac0f9f538ca1078455a17a6f3a828f601b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}