{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1455",
    "entityType": "User",
    "nonce": "0x8b34b6e2e94613365360071e49f2e0f7fa22c1d2ac5d67b9d2c258662b622ab3",
    "signature": "0xc77d9adbecf85ad5d24ad209604f4530dcaf45cae4b2f8b5c675be24550407e01001d0cf3a8a467549e66c6cc1eeb237062a8acd43f1e65b0493dec2726a882b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}