{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e852319fa4ba92b8d66c65022de5c24e1316490be96cf08f2f9948142e6d13b",
    "signature": "0x1af5decff4411dd81e4c58a30b656770062bf4109e2880e1b5c2bd7eb5957dd133d3dfa722ff3db375bf970e5b049ffe57e9975a84945e531c49c23f4323c8631c",
    "signer": "0x0Aed69E2c3fB017744322f22f1F36b6135f5E36a",
    "userId": "450789296"
  }
}