{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "625201833",
    "entityType": "User",
    "nonce": "0x8f2c26e6a9625c7d665a63bf133161916ae8aaf0b67fbb209731fc6fb6d00b0e",
    "signature": "0xc49e540ab4c269af8ceda85f874f5770ff41bd8c016502c1c891c6eb1fe2bc6f6b2f5d9d3f992f70faa9725c8f7ebc91975159508283a02146e838f46340c6881b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}