{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169768",
    "entityType": "User",
    "nonce": "0x622621ae4d58aa372fff25af4eb0adbf5f9384db363a0f3f1bfd7e56fb173e1b",
    "signature": "0xb3c3bda5a94190f71938c194c793c6312fa3960a4a76df5655dd85687a7b2be60395c08a41620dc6006d51c0d84eeb815ee4dc701f3eac4fffbf3cb0272723d41b",
    "signer": "0x5Bf16e390e9979d998f5DCdF509Abc7E786E74bd",
    "userId": "374027008"
  }
}