{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x76f9b5efb4c0a4f173fcd198aec192179746906b519ff65801084113285172eb",
    "signature": "0xdf49e54f0944225b9d0a04884d3ef2b71f549dbdcd7086a6c7c38956b6e98d8932109d2a6c832e5a76ec5c89267117e44c18bb22bc3ee7888a07fb2a219b78eb1c",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}