{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0xd5b27469b6ca71cbb97f5090a8d066f2be46a726bdeb50872755109be9361de4",
    "signature": "0x040a505b82d7ed9ebf0fc02e85e0bd50204f5889be1813a8dc8c3763b76d46d727e0f4364c59d73ae2f35d92347d8cb22031871b516202af25cf9ed7eb54421e1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}