{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf2ec005d1d175eabca8f90bd3f5b0af95ddb8c5d627e86a2dab01c760869b8c6",
    "signature": "0x008382164fa2c6cbf484cc97ba28b083dfc51a3a431d94896511ff701c7ecd5d2fc04966da7dd0d1b62eaabbebe102fe784c4e7965450853a90f090567a07ba11c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}