{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64159186",
    "entityType": "User",
    "nonce": "0xf5aa8ce5d089ecf772ad2cfc1484b17e245a9136de7d179cb6bde96698141130",
    "signature": "0x72fcc0d50966c24d32da8f5841209c0674bcdbf04ec49740a5102849e617ecdb38b6cc6264f51d5bf0889a1bfeac9c1b406817f9946b67153d035db8a7b8bf541b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}