{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275305",
    "entityType": "User",
    "nonce": "0xbf9d8a47c15f924e096eb40039568c22a557bc36990c6e5f21c1512f06d9554f",
    "signature": "0xbc7ab497f9780a3163283ab2891ff8c35073a656d8d838b64073bd46895873423988b633cc3d48187b20480955cce025bb89b969e770a8f3ea27776a94ea23571c",
    "signer": "0x122fB24e7FE386B24A8d1215b895d92ea4afe811",
    "userId": "632950658"
  }
}