{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855563",
    "entityType": "User",
    "nonce": "0x010854a02853cdfd11c643d0b4fc63f7a0eb54353655df4b5503a43b6ae2c27a",
    "signature": "0xb4e1306bfedf76f40c0c496c522fed816ae422b0af1616cc22933b3761ceda71727a59a04b6e0662e9e0547bdd047c2bb5581e42c57e56af739897a3de7c273d1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}