{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86718",
    "entityType": "User",
    "nonce": "0x9710f9534936ee8855176c0aa3af045ca671a79823184b3cb958c3291bc9fed4",
    "signature": "0x85f7a8fd5264adf48790c4349549296d712b338f9a04eb6e8d40af3a17952aca1c9942465ad81a3f0b8b4fd1446d15cdf56f18dfc0ee4a676a553feeef32e47a1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}