{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17083",
    "entityType": "User",
    "nonce": "0xc57b504556abc5e768e73b3eb0ed81423db0c29833b3c0897264be63fd62793a",
    "signature": "0xec5aaee2873c115dd7b65294c21de74995ab0ccd3bd201482d44982be27568a3166dcb323cba8787496d4c2c8e79a820d4760a265881842f651b784cb069599f1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}