{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x35a82d6c43066b28c4ce575b91f59ec1c0adda846e3e8a83bad60d3d89af528e",
    "signature": "0xa5325161358b0ef785f413fff3ebe6b38f33c79c9df0fe2d7a075daaf1591b0444c1fb83d34dd12205e13d48ee20efdc49151d739d09e4093f6614d3175de6b61c",
    "signer": "0x3fc6977F078518199fc2dcC881c7fbF20c23C549",
    "userId": "402584481"
  }
}