{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "262074",
    "entityType": "User",
    "nonce": "0xdc3604978488693c5586d5d6f9b66dfcebacfb2fa006090cdb3a5bb237a1a3c5",
    "signature": "0xb4c5dd2382ca3ed813d46ad1ca48ea54fca2960453f57a8d3e5a2e4d4c37da2144f2ca50598fd69551ba1521774a8f7c1ddb747207d4dd8e3866c41c04625e811b",
    "signer": "0xc5c542a604880bF9049870Ee92c9CA4594Ed3129",
    "userId": "277347377"
  }
}