{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208172114",
    "entityType": "User",
    "nonce": "0x366417e5e64989f04f128e95d28c643adcf0795fa27c3d362a9cb89804853246",
    "signature": "0x30a8fe7447c7e12862e9b4ce9e26c27956967104800a05369288074a049a74d73d05130841321ec469d57e87edd1a752b89e61427902e09c94c3416ead952f691c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}