{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb077bebed756ec513a4bdd6a46e07af3b73859e959adb363d5e06f7825e56cc4",
    "signature": "0xbd186f3c1d2341079c1c82ac1f647c224770cd74de23fe427d809e30d8b827db09117fb1de2da19e1e0cbe02a4b092a536e03722d824a2525277c75a538106c71c",
    "signer": "0x0AF6A4286FfF89666F385186440d5d3B9A61A3d4",
    "userId": "877759925"
  }
}