{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xef68c5c22ee5d8166e58e8bc3af9804d1af711fc56b401988b848c84974cd799",
    "signature": "0x762d30716127122637d07dce4829d17d90c7299683863975d34ed4b3235238b87cf46e1fcdbdcfc92de61a012bdbbd5438bbcdcc5fe62e037e59a6bb984b2a801c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}