{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112354",
    "entityType": "User",
    "nonce": "0xfd238f8ee23b068d621546a4596228dcb6eb3a1b24d05536d5506369c1a0d85a",
    "signature": "0x4ec445e8bc9934f9ed3a8eb92340804ffad69005653d8fb2da8f33134f0caea81ea48c2c79e87aefe29145b8047f046cd0d01a77c2726f3302df7fd8cf4f81ab1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}