{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804508659",
    "entityType": "User",
    "nonce": "0xde39a085ae9a572896e4afe4f8376e556b71f8cf19c3da93dcc8563d13091518",
    "signature": "0x1614302e98a84a52f43c120072cd06a3e4120f82a73264a1fb22a725e13344ac3a6c1604393dfa97ee1061e8f4692a66aaaff53f57e24d41aa6e1088261ce1d61c",
    "signer": "0x91983686Bf2644Da777006155904ad43D494dACa",
    "userId": "10547"
  }
}