{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "400171089",
    "entityType": "User",
    "nonce": "0xcb7ecfe390fd5b94f68e7192c651ab2e6f561cf84a7bed4fae4c8cd3520212f0",
    "signature": "0x5afa281e921506807b62d3cafbf2090b88061a7b70c75cb00b7de8a96a862cb808f7762763e9ea832e92ffeb9792e188253ffc6297668135780a3da71a0a36531c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}