{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547969682",
    "entityType": "User",
    "nonce": "0xf83c707844b74b7527eca8e8cc1a1af36e7930209469e256fb25d51d44e701cd",
    "signature": "0xa201f860a4fab8ab258180fa21473d451786780dea214c36158d67afd515959b10c65abb312bafd28d388b259f2f9058d2e031609d3465ddd8fadc4cb6ded6aa1b",
    "signer": "0x62B225252b0b7b2708Ba325A70401F66d02331A1",
    "userId": "942799090"
  }
}