{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218470",
    "entityType": "User",
    "nonce": "0xf53acc1fc432f3d0ef4090fde7238e5d49f9c3b1fcb6ce676d0050617f35a773",
    "signature": "0x9cb0a62bf0a492d0eab0cabb47788af6410cf907981aed16fd664699453b74e67db2dc84cdbb285ee83c5e6e4d4ad3669377e65fb9640509bbe300bd9f2d38a01b",
    "signer": "0x2BE5c7eBf6986c773aab383B7422a46Da4157539",
    "userId": "384760159"
  }
}