{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107036",
    "entityType": "User",
    "nonce": "0x22cc907b740b03058dfa4ee11d0623d6b6f8d95391a8646ab631aba4b4d4b6b6",
    "signature": "0x18d22da1970f9c3b8b66d6a3fe17a76ad3f5e7167f887a812d1ef177265d3d20657e2e9490d1bc033ea678cd3f25d58ed5af2bb29e97d0c400ddf45c5d4a95751b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}