{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb308a75cc350e63817c7687e33dea1fa3403cd2b711a450c9ac8e482aaa3b1fe",
    "signature": "0x3f551c49804147690bf4cc4c49461e465f632f50d9939755c78aea688f7971ab7d0d3f5075d0544db708be9604feb88cd38eb4f92a2759d0aca975f6390f2ba41c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}