{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc79841d90b3868538ed9a92300d04ce2f60ae40feeebc45b1b8577f6bf36e70b",
    "signature": "0x7944c97e22e6781790a484f840e09a19edd6f7d5896a92300618a46cdc073e61524581e094a8fe9059c9aab4a77a85194514c61dd4d14696cee6272e32fe2e1b1c",
    "signer": "0xF924731fC39A466225af3a1ba9BEB82D48257Bc3",
    "userId": "785339148"
  }
}