{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386745392",
    "entityType": "User",
    "nonce": "0xdfa68415758e1ce9303bcf154519e4593502aa18b18cff24219b9272a9419fbb",
    "signature": "0x42b951b8012b7f29907eed40e9d9d2be32b016d968fe09914fae7d166206f5c53688ee3ed21972aee95783bc13ef02fe91d1bed02f0dcfb6c208885b05a58cb31b",
    "signer": "0xc1C84e5C06F7dc5824672906AC6E51CDfeb90aeA",
    "userId": "447798047"
  }
}