{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189699",
    "entityType": "User",
    "nonce": "0xba5a04c01e9f57ca6c9f7ea8b5cf54445dee556b0b8f265fa1b49ff3ea9ffc36",
    "signature": "0x7770f7c7a2ab87e8e25878ffe7ff6f2a670a87157acd08e696f8fdc050731bca35359c5af67716e0e3d517812b5c0d3c6282f9711602a35fb8d0c3a7a7f235a11b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}