{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230041525",
    "entityType": "User",
    "nonce": "0x27e98968f9b2c8bc1b29b2aff42b00d1e0b0ef6f217defc5ecd192a9ab33200a",
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    "signer": "0xC8399526b0108bD1E04DB6Af28bc8Ed91D70F9db",
    "userId": "703443205"
  }
}