{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x9b15c08e38df11f174490e0c89b20d1e0bd57fd8cf2e621d942b095aaa6f0d33",
    "signature": "0x610649dd7deac39972229b24248bd2ad0dd11de64b256d0576ca8efbb38b65675c4f23e80898502c0c3cb5c9fc8cb6a54d210805f718b5e412193faa5c2669701c",
    "signer": "0x303fD6F7668Ad0AD901434B85eF391E249785A2C",
    "userId": "179777073"
  }
}