{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xc64bb0abd69e1b891844439411d5361849f502d528864087caa3a6ad6d8af999",
    "signature": "0x23e9ebd3f25fac1f17dbfb815e298144d18d4b5fcc026dff3dc22feb6290a5c9393cbe71c378321ea2d1534e5d4984f97f93148a76f2de2dfbd02fee67d0034b1b",
    "signer": "0x5C3e11aE91737136957E056d03bE48858B004440",
    "userId": "600103632"
  }
}