{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56560",
    "entityType": "User",
    "nonce": "0x1044f8007242f10c577eb239853b08ec6341caa4c37ac25ad9ff5e4da7477a44",
    "signature": "0xe4b114ab354763f3d319ce6615c5b86639ea5a13630b71e1914894146918269f7d6524ed26eae56883a9ccd9e0407efc0e3306802a39f78f4a286293d65a94241c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}