{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "433736335",
    "entityType": "User",
    "nonce": "0xf1f62ad1d78b1345a071271354eeed3f6e6ce1f581fdd7366f9c4b6622b4f9ea",
    "signature": "0xcbad124df4cacae816ff3ea24f1ede6342857b61651b1da936920c3adaeac831279239ef7afe324cfd98c78705253f5b39ca10deb6727e6b3692fa99af8982601c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}