{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832604939",
    "entityType": "User",
    "nonce": "0x69ac72a898ef210e8630af6dfa050a4252a4f7fde7ce491c61e68860254599dc",
    "signature": "0xa67c547aef68a581feda40fdbbb7a663b28c27ed245005cf5344e3daa57bfe0622d9a089c14f09c08c449926b88ba2d13b1c39be11c011588e12c8db09f67c2f1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}