{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51606",
    "entityType": "User",
    "nonce": "0xcb854b3060874276871957deff6c6dd6ea900477611a5423aefa55eed62eb8ba",
    "signature": "0xde5a9c2462a221090ae2dfd1379830751c6cd210ac5b9ec765b3831f0362b3213727c069d432d27ba90e6df44784cd31cfb6209670dcd5a258a7a49b2253d6ff1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}