{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73852",
    "entityType": "User",
    "nonce": "0x14094390ac8116779905f1cdd97fa929fca413a647bb077086645bb1a6f39683",
    "signature": "0xd70502e67fbb60a1d1eb1cdde32b5e06ca410109c05dc886646a0000f08d64d17459300715e1e893159aa0a42c0b987bcdc200f99fbe843faa45818aac78db671c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}