{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x7eaf2916fee9a78870e3be2c05660bd651caabf54de1fa95ec9c5d145659b8c4",
    "signature": "0x493bc545e324af0c4f7208ae4103dab55694cf924d8b3ae0f13b0ce4085aca6729ce4b977a87f16ed142fb9955e69e937d7a0c7792451681c9d1aac43821f58a1c",
    "signer": "0x93927a047d15ce3D13193c5F046160C9d2b028Bc",
    "userId": "638513293"
  }
}