{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "409512835",
    "entityType": "User",
    "nonce": "0x8369693309a61e9081b686ab2de7ec824be91219face0448351140088984b7d4",
    "signature": "0x6a2006b8e7da86bad55f9bbf291d99baf1dadada1765eaa7c7d19b87d9cc4a7c0ffebb8465888c930ea6e29a69aa2fcf088801d3dc415ad97b9cbfcf735e884f1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}