{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xd47775b480bca5d10076b6c624578d12ea4c90b517ad0b87dc15364cce4629f4",
    "signature": "0x1f20a9e55258bb875a45a4279ff5aba4943a2a02ade50e8a4e0688c7f0d0d90b5c8ec8633903a7c32e3ea5f40730b1430712011506b22ecb087e1645de54dc051c",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}